Pfizer
Pfizer sponsors 1,845 registered US clinical trials on ClinicalTrials.gov, 106 of them currently recruiting, and 1,335 completed. 504 of these trials are in Phase 3-4 (later-stage) and 1,173 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Healthy, with 44 trials.
Trial Pipeline
1,845 total, page 23 of 37
Effect of Prevnar 13 on Ear Infections in Children
NCT01199016
A Study To Evaluate The Effects And Safety Of Treatment, Treatment Withdrawal, Followed By Re-Treatment With CP-690,550 In Subjects With Moderate To Severe Chronic Plaque Psoriasis
NCT01186744
Study Evaluating The Safety Of AAB-003 (PF-05236812) In Subjects With Alzheimer's Disease
NCT01193608
Estimate The Effect Of Repeat-Dose Rifampin On The Pharmacokinetics Of CP-690,550 In Healthy Volunteers
NCT01204112
A Long Term Study To Evaluate The Safety And Tolerability Of CP-690,550 For Patients With Moderate To Severe Chronic Plaque Psoriasis
NCT01163253
Safety And Tolerability Study Of RN6G In Subjects With Advanced Dry, Age-Related Macular Degeneration Including Geographic Atrophy
NCT01003691
PF-00489791 For The Treatment Of Raynaud's
NCT01090492
Open Label Drug Interaction Study Evaluating Desvenlafaxine Succinate Sustained Release (DVS SR) 100mg On The Pharmacokinetics Of Aripiprazole When Coadministered To Healthy Subjects
NCT01188668
A Study Of Combined C- MET Inhibitor And PAN-HER Inhibitor (PF-02341066 And PF-00299804) In Patients With Non- Small Cell Lung Cancer
NCT01121575
Prevalence of Psoriatic Arthritis in Adults With Psoriasis: An Estimate From Dermatology Practice
NCT01147874
Single Dose Study Of PF-04308515 And Prednisone On Carbohydrate
NCT01199029
Open-Label Drug Interaction Study Evaluating Desvenlafaxine Succinate Sustained Release (DVS SR) 100mg On The Pharmacokinetics Of Tamoxifen When Coadministered To Healthy Post-Menopausal Female Subjects
NCT01189500
Single Dose Study Of PF-04171327 And Prednisone On Carbohydrate Metabolism
NCT01199900
To Evaluate The Relationship Between Plasma Drug Levels And Receptor Binding In Brain Using PET (Positron Emission Tomography) In Healthy Volunteers
NCT01173757
A Study To Observe Safety And Blood Concentrations Of PF-04995274 During And Following the Administration of Multiple Doses Of PF-04995274 In Healthy Adult And Healthy Elderly Volunteers.
NCT01169714
Conversion to Embeda With Rescue Trial
NCT01179191
A Multiple Dose Study Of PF-05161704 In Healthy Volunteers
NCT01202266
A Clinical Study To Characterize The Pharmacokinetics And The Effects Of Food On Oxycodone In Healthy Volunteers
NCT01530542
A Study to Assess the Cognitive Effects of Fesoterodine in Elderly Subjects
NCT01161472
Estimation Of Effect Of Ketoconazole On Pharmacokinetics Of Crizotinib In Healthy Volunteers
NCT01149785
A Single Dose Study Of PF-05161704 In Healthy Volunteers
NCT01183715
Pharmacokinetics, Safety and Tolerability Study of PF-03463275 in Healthy Male Japanese and Western Subjects
NCT01159626
Study Estimating the Impact of Prevnar 13™ (13vPnC) on Invasive Pneumococcal Disease
NCT01128439
Pharmacokinetic And Pharmacodynamic Study Of A Single-Dose Of PF-04950615 (RN316) In Combination With Atorvastatin
NCT01163851
Estimation Of Effect Of Rifampin On Pharmacokinetics Of Crizotinib In Healthy Volunteers
NCT01147055
A Study Of The Safety And Efficacy Of PF-04191834 In Patients With Osteoarthritis Of The Knee
NCT01147458
Acute Effects Of Donepezil On Brain Perfusion And Memory In Subjects With Cognitive Impairment And Mild Alzheimer's Disease
NCT01082965
Study Providing Monotherapy (Sitaxsentan) And Combination Therapy (Sitaxsentan+Sildenafil) To Subjects With Pulmonary Arterial Hypertension (PAH) To Assess Long-Term Safety
NCT00796510
Safety Extension Study Of Tanezumab When Administered By Subcutaneous Injection To Patients With Osteoarthritis
NCT01127893
A Study Of The Efficacy And Safety Of CP-601,927 Augmentation Of Antidepressant Therapy In Major Depression
NCT01098240
A Study To Investigate The Taste Of Crizotinib Liquid In Trained Healthy Adult Volunteers
NCT01125904
Study Evaluating the Effect of Desvenlafaxine on the Pharmacokinetics of Midazolam
NCT00952653
Multiple Dose Study of PF-04991532 in Patients With Type 2 Diabetes
NCT01129258
A Multiple Dose Study To Determine Safety, Tolerability, and Pharmacokinetics Of PF-04634817 In Healthy Adult Subjects
NCT01140672
Postlicensure Observational Safety Study of 13vPnC Administered to Infants and Toddlers
NCT01128426
Study Evaluating Desvenlafaxine Succinate Sustained-Release (DVS SR) In The Treatment Of Peri- And Postmenopausal Women With Major Depressive Disorder (DVS 3364)
NCT01121484
Study To Determine The Pharmacokinetics Of Sulfasalazine In Children With Juvenile Idiopathic Arthritis
NCT00637780
Study To Assess The Safety And Tolerability Of Increasing Single Doses Of ATR-107 (PF-05230900) In Healthy People
NCT01162889
Impact of Prevnar 13 on Ear Infections in Children
NCT01272999
Evaluation Of Striatal Glucose Metabolism With Positron Emission Tomography Following PF-02545920 In Healthy Subjects
NCT01103726
Clinical Trial to Examine the Pain Relief of PH-797804 Alone Or With Naproxen in Subjects With Osteoarthritis of the Knee
NCT01102660
Estimate The Effect Of Lersivirine On The Pharmacokinetics Of S- And R-Methadone
NCT01099748
First In Human Study Of Increasing Oral Doses Of PF-04634817
NCT01098877
A Phase 1 Study To Estimate The Relative Bioavailability Of Co-Administered Formulations Of Azithromycin Microsphere And Chloroquine Test Formulation Compared With Co-Administered Immediate Release Individual Azithromycin And Chloroquine Tablets In Healthy Adult Subjects
NCT01100060
Study To Establish The Effects Of PF-04457845 On Sleep In Healthy Volunteers
NCT01092845
Retrospective Observational Study To Update 5-Year Survival Of Subjects Who Participated In Axitinib Trial A4061012
NCT01056263
Single Dose Study of PF-04991532 in Healthy Subjects
NCT01102673
Safety Study to Assess Opiate Withdrawal Signs and Symptoms in Opioid Dependent Patients
NCT01100437
A Study Of Cisplatin (Or Carboplatin) And Etoposide With Or Without Figitumumab (CP-751,871) In Patients With Extensive-Stage Small Cell Lung Cancer
NCT00977561
An Extension To The B1451006 Protocol To Evaluate The Safety and Efficacy of Dimebon In Subjects With Moderate-to-Severe Alzheimer's Disease
NCT01066546
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 703 |
| Phase 2 | 470 |
| Phase 3 | 411 |
| Phase 4 | 93 |
Therapeutic Areas
What the Pipeline for Pfizer Shows
According to the ClinicalTrials.gov registry, Pfizer is linked to 1,845 US clinical trials across every stage of research activity. Of those, 106 studies are currently recruiting, about 6% of the sponsor's indexed portfolio, and 1,335 are already marked complete, representing roughly 72% of the total.
The phase mix for Pfizer reports 504 late-stage studies (Phase 3 and Phase 4 combined) and 1,173 earlier-phase studies (Phase 1 and Phase 2).
The top therapeutic focus area indexed for Pfizer is Healthy with 44 linked trials, and 9 other condition areas appear in the top list above.
How to read these pipeline numbers
Recruiting share is one of the more practical signals here: it reflects how much of a sponsor's research is presently open to new participants, while the completed share indicates the depth of finished work that has already contributed registry results. Both counts come directly from the public ClinicalTrials.gov dataset and are refreshed on the registry side; this page mirrors the latest data pull without altering it.
A portfolio weighted toward Phase 3 usually reflects an organization advancing candidates toward regulatory review, where the research centers on comparative efficacy and broader safety across larger populations. A heavier Phase 1 and Phase 2 tilt generally indicates exploratory work, safety, dosing, and early signal detection, and is common among research-forward sponsors that seed many early programs. Phase 4 entries, when present, track interventions already in real-world use and typically focus on long-term safety, effectiveness across subgroups, or formulation comparisons.
That distribution is a quick read of where the organization concentrates its research attention; it does not imply product availability, market share, or any clinical endorsement. All numbers on this page come from ClinicalTrials.gov maintained by the National Library of Medicine, and counts can shift as new studies are registered or existing ones update their status. This information is provided for reference and educational purposes only, not as medical, investment, or regulatory advice, verify current details directly with ClinicalTrials.gov before relying on any figure here.
Read our methodology - how this data is sourced, computed, and verified.
Related
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This page aggregates every registered trial from this sponsor, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.